Commitments and Contingent Liabilities Litigation - Corteva Separation (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
PFAS [Member] | Minimum [Member]
Loss Contingencies [Line Items]
De minimis threshold	$ 1
DuPont de Nemours and Dow | Accounts and Notes Receivable [Member]
Loss Contingencies [Line Items]
Indemnification Assets	104	$ 47
DuPont de Nemours and Dow | Other Assets [Member]
Loss Contingencies [Line Items]
Indemnification Assets	263	143
DuPont de Nemours and Dow | Accrued and Other Current Liabilities [Member]
Loss Contingencies [Line Items]
Indemnified Liabilities	26	9
DuPont de Nemours and Dow | Other Noncurrent Obligations [Member]
Loss Contingencies [Line Items]
Indemnified Liabilities	$ 154	149
Corteva [Member]
Loss Contingencies [Line Items]
Stray liability sharing percentage	29.00%
Corteva [Member] | Accounts and Notes Receivable [Member]
Loss Contingencies [Line Items]
Indemnification Assets	$ 188
Corteva [Member] | Accrued and Other Current Liabilities [Member]
Loss Contingencies [Line Items]
Estimated Litigation Liability	$ 874	$ 228
DuPont de Nemours [Member]
Loss Contingencies [Line Items]
Stray liability sharing percentage	71.00%